In order to retain active membership in the fund, each member must:
History. Ga. L. 1963, p. 630, § 13; Ga. L. 1968, p. 1203, § 8; Ga. L. 1981, p. 1889, § 1; Ga. L. 1983, p. 1185, § 3; Ga. L. 1988, p. 1566, § 1; Ga. L. 1990, p. 315, § 2; Ga. L. 1994, p. 325, § 2; Ga. L. 2000, p. 1167, § 1.